Trialling new methods for assessing rare fish populations

The Adjungbilly Creek in the Upper Riverina Highlands is home to one of 4 remaining populations of the endangered Macquarie Perch. Over the past 10 years with the help of DPI Fisheries and Charles Sturt University we have been monitoring the population of 'Maccas' using electrofishing and fyke net methods.

There are of course disadvantages in these methods with the percentage of fish captured influenced by factors such as the size of the fish, conductivity and flow rates.

Recently we trialled a fairly cost effective method of spotlighting. With the help from traditional owners from the Brungle Tumut Local Aboriginal Land Council, 2 sites on the Adjungbilly were surveyed. A total of 6 Maccas were identified including young of year.

Latest news and events

August 5, 2025

Ian Geddes Reserve Working Bee

Join us for a Working Bee at Ian Geddes Reserve - Sunday 10th August 10 am - 12 pm

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July 25, 2025

Efforts to Save One of Our Regions Rarest Plants

Refreshing Rivers has recently completed works focussing on the critically endangered Tumut Grevillea (Grevillea wilkinsonii). This Grevillea is one of the regions rarest plants with just over 1,000 individuals surviving along a 6km section of the Goobarragandra River in eastern Riverina.

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July 13, 2025

Working Bee at Ian Geddes Bush Reserve

Be part of the Refreshing Rivers Program in the Upper Billabong, and join Holbrook Landcare Network for a family-friendly morning in nature as we care for the beautiful Ian Geddes Reserve along Ten Mile Creek.

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The Refreshing Rivers Program is a collaboration between government, industry, research, and community organisations, led by Local Land Services. This Program has been assisted by the New South Wales Government through its Environmental Trust.

The Refreshing Rivers Program works on Country that always was and always will be Aboriginal land. We acknowledge the Traditional Custodians of the land and waters, and we pay respect to Elders past, present and emerging.

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